对胺苯磺酸

One of the leading researchers in the field of protein folding is David Baker of the University of Washington, in Seattle. 西雅图华盛顿大学的David Baker是蛋白质折叠领域研究者的领军人物之一。 For the past 20 years he and hi

发表于:2018-12-05 / 阅读(57) / 评论(0) 分类 经济学人科技系列

Acid Rain 酸雨 Damage from acid rain is widespread - not just in eastern North America, but throughout Europe, Japan, China, and Southeast Asia. Is the rain that's falling on your umbrella acidic? A listener's question -- on today's Earth and Sky. J

发表于:2018-12-07 / 阅读(146) / 评论(0) 分类 (科普英语)Earth and Sky

Researchers Genetically Modify Corn to Increase Nutrition Researchers in the United States say they have discovered how to genetically engineer corn to produce a kind of amino acid usually found in meat. The result is a food with increased nutrition

发表于:2018-12-18 / 阅读(109) / 评论(0) 分类 2017年VOA慢速英语(十)月

How does acid deposition affect human health? We eat food, drink water, and breathe air that has come in contact with acid deposition. Canadian and U.S. studies indicate that there is a link between t

发表于:2019-01-02 / 阅读(180) / 评论(0) 分类 知性英语

Ameloblasts- cells which differentiate from ectoderm and secrete enamel during tooth development. Amino acids - building blocks of proteins containing a carboxyl group (COOH) and an amino group(NH2) b

发表于:2019-01-03 / 阅读(54) / 评论(0) 分类 医务英语

By Birungi Machrine Kampala 26 November 2007 Attacks using acid are becoming more frequent in Uganda. Up to 2003, there were only 145 recorded attacks, but over the last three years, there have already been 87. Survivors often suffer from severe emot

发表于:2019-01-16 / 阅读(110) / 评论(0) 分类 VOA常速英语2007年(十一月)
学英语单词
ambiquitous
Associate in Applied Science
auscultating
autoconsequent waterfall
awfulize
B picture
Beadle -Tatum experiment
biconstituent fibre reinforcement
chess-board
colour display device
contentednesses
continuity irish republican armies
cost approach
country quotas
current switch
customs agreement
deferment charge
derncephalus
Diapensia himalaica
dille
dutched
embarrassingly parallel
end discharge tippler
Enderbury
external aperture of aqueduct of cochlea
floating-point status
flockpaper
flow engine
fm discriminator
Fuldi
gabbert
Gaultheria procumbens L.
growth capacity
grundigs
Hallormsstadhur
hydrophobes
impassivenesses
injustice
instantaneous efficiency
laric
lazzeroni
liquid-phase thermal cracking
low-frequency connector
machine check logout
megafarad
melassigenesis
meme pool
metal industry
miniplasmids
misbelieved
mitreworts
Monmouth Junction
morbidity
Multiline Insurance
narrow-band reception
neutron moisture gauge
nitzschia tryblionella victoriae
nonyl iodide
operatory
Ownership of Ship
pale catechu
Paro, Mayo
partial one output signal
Petersgrat
pneumatic transmission receiver
position independent variable name
quick working punch
quinin arsenite
raise a hornets nest
rasbeck
reflection thickness gage
rms (root mean square)
ruling grating
rupatadine
Saint Charles
salwan
sermoneer
skunkweeds
social networking
solid phase reaction
squalene
stamp note
stamped out
start angle
take something big
term plan
total cost approach to distribution
traction-pulsion pouch
Trojans
Tucué
two seater aeroplane
ultraleft
unblended
uncinula verniciferae p.henn.
unsymmetrical split turnout
value-added surcharge
verdelho
vertebroarterial
virtual desktop manager
vitrificates
wheel facing
wide-track seeder